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sodium solution, burning, wooden, splint, bunsen burner flame, flame., chemistry, flame, metals, salts

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copper solution, burning, wooden, splint, bunsen burner flame, flame., chemistry, flame, metals, salts

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barium solution, burning, wooden, splint, bunsen burner flame, flame., chemistry, flame, metals, salts

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calcium solution, burning, wooden, splint, bunsen burner flame, flame., chemistry, flame, metals, salts

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cobalt solution, burning, wooden, splint, bunsen burner flame, flame., chemistry, flame, metals, salts

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